Comments

THIS IS HOW ANSWERS WILL COME TO YOUR PHONE, THE INTERPRETATION IS HOW U ARE GONNA WRITE IT ON YOUR PAPER!!!

/ Means DIVISION

* means multiplication

tita u should know dat.

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rais means raise to power

^ means raise to power

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sqr rut/ squar rut means square root

----(1) means equation 1

yr means year

f(x-xbar) means x MINUS x BAR as in

statistics which means that MINUS WILL BE

ON TOP OF x.

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, (Comma) means NEXT LINE, THIS MEANS THAT THE FOLLOWING NUMBER IS UNDER THE NUMBER IT IS FOLLOWING i.e UNDER. It is usually used during STATISTICS when drawing a table.

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X:1,2,3,4,

FX: 4,6,8,10

FX-Xbar: 10,8,6,4,

DRAW A TABLE WITH X|FX|(FX-Xbar)

The above statement means that:

~For X, it has 1 2 3 4 5 6 under it. which

means 1 is under 2, 2 is under 1, 3 is under

2, 4 is under 3 and so on...

~Under FX you have 4, then 6 under 4, then

8 under 6, then 10 under 8, then 12 under

10.....

~Under FX-Xbar you have 10, then 8 under

10, then 6 under 8, then 4 under 6, then 2

under 4, then 1 under 2....

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IN A CLEARER WAY:

→ comma means NEXT LINE(e.g)

x : 1,2,3

fx : 4,5,6

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fx-xbar : 10,8,6,4

x|fx |fx-x¯¯|

1| 4 | 10 |

2| 6 | 8 |

3| 8 | 6 |

4| 10| 4 |

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Class interval:

60-64,65-69,70-74,75-79,80-84,85-89,90-94,95-99.

X: 62,67,72,77,82,87,92,97.

F: 2,3,6,11,8,7,2,1.

FX: 124,201,432,847,656,609,184,97.

F(x-x bar)2: 561.12,414.18,273.36,33.66,84.48,476.42,351.12,333.06

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MEANING OF THE ABOVE EXPRESSION:

Bar means Minus on top of d number or

Variable and comma means next line which means each of them are unda. Eg 60-64 is unda Class interval, then 65-69 is unda 60-64,etc .So comma means unda.

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NOTE THAT WHEN U SEE SOMETHING LIKE THE ABOVE TWO EXAMPLES, U WILL NEED TO DRAW A TABLE..

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YOU NEED TO KNOW THESE ALSO-

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MATHS CODES:

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1) ,(comma) means next line.

(e.g)

x : 1,2,3

fx : 4,5,6

fx-xbar : 7,8,9

x|fx |x¯¯|

1| 4 | 7 |

2| 5 | 8 |

3| 6 | 9 |

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2)*=multiplication sign.

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3)^ = Riase to pwer

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4)P also means raised to power eg 10P6

means 10 raised to power six.

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5)log3(base 4) ..Note:the base must be

SUBSCRIPT .

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6)x bar = mean symbol(x¯¯)

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7)Pie = pie symbol eg Area of a circle is (Pie

r2).

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8)Tita = θ eg Sinθ.

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10)Root or Rut or Sqrt or sqr root = √ ; eg

Root2 means √2

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11)/ means ÷

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12)----(1) means equation 1

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Thankz

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